These bags are made from starch and other materials and are fully biodegradable. They will biodegrade in approximately 10 to 45 days in a composting environment. The bags can be used for the collection of food waste, as well as the storing of fruit and vegetables. 8 liter (2.1 gallon). 25/roll. 15.4" width x 16.1" length. BPI certified. Eco Categories: Biodegradable, agriculturally based.